Dell_Inspiron_1525_Service_Manual

NOTE: The color of your system and certain system components may appear differently than shown in this document.Recommended ToolsThe procedures in this document may require the following tools:•Small flat-blade screwdriver•Phillips screwdriver•Small plastic scribe•Flash BIOS update (see the Dell Support website at )Before Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.NOTICE: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its pins.NOTICE: When disconnecting a cable, pull on the cable's connector or on its strain-relief loop, not on the cable itself. For cable connectors with locking tabs, press inward on the locking tabs to release the connector. When connecting a cable, ensure that the connectors are correctly oriented and aligned to avoid damage to the connector and/or the connector's pins.1.Ensure that the work surface is flat and clean to prevent the computer cover from beingscratched.1.Click Start , click the arrow icon, and then click Shut Down to turn off yourcomputer.NOTE: Ensure that the computer is off and not in a power management mode. If youcannot shut down the computer using the operating system, press and hold the powerbutton for 4 seconds.1.Disconnect your computer and all attached devices from their electrical outlets.NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you service the computer.NOTE: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.1.Turn the computer over.1.Slide the battery release latch until they click into place.1.Slide the battery out of the battery bay.Subscriber Identity Modules (SIM) identify users uniquely through an International Mobile Subscriber Identity.Replacing the SIMCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTE: Only GSM (HSDPA) type cards need a SIM. EVDO cards do not use a SIM.Removing the SIMPress the SIM into the slot to release it. When it is partially ejected, remove the SIM from the battery bay.3. ExpressCardsDell™ Inspiron™ 1525/1526 Service ManualRemoving an ExpressCard or BlankCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.Press the card or blank to remove it from its slot.Save a blank to use when no ExpressCard is installed in a slot. Blanks protect unused slots from dust and other particles.Installing an ExpressCard or BlankCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.You can install an ExpressCard while the computer is running. The computer automatically detects the card.ExpressCards are generally marked with a symbol (such as a triangle or an arrow) or a label to indicate which end to insert into the slot. The cards are keyed to prevent incorrect insertion. If card orientation is not clear, see the documentation that came with the card.To install an ExpressCard:1.Hold the card with the top side of the card facing up.1.Slide the card into the slot until the card is completely seated in its connector.If you encounter too much resistance, do not force the card. Check the card orientation and try again.The computer recognizes the ExpressCard and automatically loads the appropriate device driver. If the configuration program tells you to load the manufacturer's drivers, use the media that came with the ExpressCard.4. Using the Memory Card ReaderDell™ Inspiron™ 1525/1526 Service ManualRemoving a Memory Card or BlankCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: Use the memory card configuration utility (click the icon in the notification area) to select a card and stop it from functioning before you remove it from the computer. If you do not stop the card in the configuration utility, you may lose data.Press the card into the slot to release it from the card reader. When it is partially ejected, remove the card.Installing a Memory CardCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.You can install a memory card in the computer while the computer is running. The computer automatically detects the card.Memory cards are generally marked with a symbol (such as a triangle or an arrow) or a label to indicate which end to insert into the slot. The cards are keyed to prevent incorrect insertion. If card orientation is not clear, see the documentation that came with the card.1.Hold the card with the top side of the card facing up.1.Slide the card into the slot until the card is completely seated in its connector.If you encounter too much resistance, do not force the card. Check the card orientation and try again.The computer recognizes the memory card and automatically loads the appropriate device driver. If the configuration program tells you to load the manufacturer's drivers, use the media that came with the memory card, if applicable.5. Optical DriveDell™ Inspiron™ 1525/1526 Service ManualReplacing the Optical Drive1.Slide the optical drive into the bay.1.Replace and tighten the locking screw.6. Hard DriveDell™ Inspiron™ 1525/1526 Service ManualNOTE: Dell does not guarantee compatibility or provide support for hard drives obtained from sources other than Dell.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.CAUTION: Do not touch the metal housing of the hard drive if you remove the harddrive from the computer while the drive is hot.NOTICE: To prevent data loss, turn off your computer before removing the hard drive. Do not remove the hard drive while the computer is on or in Sleep state.NOTICE: Hard drives are extremely fragile. Exercise care when handling the hard drive.1.Slide the hard drive out of the computer.1.Remove the two screws (one from each side of the hard drive cover), then pull to separatethe cover from the hard drive.Replacing the Hard DriveCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: Hard drives are extremely fragile. Exercise care when handling the hard drive.1.Replace the hard drive cover and tighten the two screws to secure the cover to the harddrive.NOTICE: Use firm and even pressure to slide the hard drive into place. Excessive force may result in damage to the connector.1.Slide the hard drive into the hard drive bay until the drive is fully seated.1.Replace the two screws to secure the hard drive.1.Install the operating system for your computer, as needed (see "Restoring Your OperatingSystem" in your Owner's Manual).1.Install the drivers and utilities for your computer, as needed (see "Reinstalling Drivers andUtilities" in your Owner's Manual).7. Center Control CoverDell™ Inspiron™ 1525/1526 Service ManualCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap orby periodically touching an unpainted metal surface (such as a connector on the back of the computer).NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the computer.1.Disconnect the cable from the media control buttons connector located underneath thecenter control cover.NOTICE: To avoid damage to the data cable connected to the system board, ensure that you do not pull hard when you are raising the center control cover.NOTICE: To avoid damage to the center control cover, do not lift the cover on both sides simultaneously.1.Remove the center control cover.1.Remove the two screws at the top of the keyboard.1.Lift the keyboard and hold it up and slightly forward to access to the media control buttonsconnector.1.Disconnect the media control buttons connector and remove the media control buttonscable.Replacing the Center Control Cover1.Reconnect the media control buttons cable to the connector below the keyboard.1.Align the tabs along the bottom of the keyboard and slide them under the palm rest.1.Press on the right edge near the top to snap the keyboard into place.1.Replace the two screws on the top of the keyboard.1.Reconnect the media control buttons connector to the center control cover.1.Insert the left edge of the center control cover.1.Press from left to right until the cover snaps into place.1.In the battery bay, replace the two screws that secure the center control cover.8. Internal Card With Bluetooth® Wireless TechnologyDell™ Inspiron™ 1525/1526 Service ManualCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer).NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the computer.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer).NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the computer.Replacing the Keyboard1.Slide the keyboard cable into the keyboard connector.1.Rotate the keyboard connector latch to secure the cable.1.Align the tabs along the bottom of the keyboard and slide them under the palm rest.1.Press on the right edge near the top to snap the keyboard into place.1.Replace the two screws on the top of the keyboard.10. Button BoardDell™ Inspiron™ 1525/1526 Service ManualCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of thecomputer).NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the computer.CAUTION: Before you begin any of the procedures in this section, follow the safetyinstructions in the Product Information Guide.You can increase your computer memory by installing memory modules on the system board. See "Specifications" in your Owner's Manual for information on the memory supported by your computer. Install only memory modules that are intended for your computer.NOTE: Memory modules purchased from Dell are covered under your computer warranty.Your computer has two user-accessible SODIMM sockets, DIMM A and DIMM B, accessed from the bottom of the computer.NOTICE: If you need to install memory modules in two connectors, install a memory module in the connector labeled "DIMMA" before you install a module in the connector labeled"DIMMB."computer).Replacing Memory ModuleNOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer).1.Align the notch in the module edge connector with the tab in the connector slot.1.Slide the module firmly into the slot at a 45-degree angle, and rotate the module downuntil it clicks into place. If you do not feel the click, remove the module and reinstall it.NOTICE: If the cover is difficult to close, remove the module and reinstall it. Forcing the cover to close may damage your computer.Display AssemblyRemoving the Display AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.1.Lift the display assembly out of the computer.Replacing the Display AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Display BezelRemoving the Display BezelCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.1.Starting from the bottom corner of the display panel, use your fingers to pry the bezel fromthe top cover, then lift the inside edges to separate the remainder of the bezel.Replacing the Display BezelCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Display PanelRemoving the Display PanelCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.1.Lift the display panel out of the display cover.1.Remove the eight screws (four on each side of the display panel) securing the two bracketsto the display panel and remove the brackets.Replacing the Display PanelCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Camera and Microphone AssemblyRemoving the Camera and Microphone Assembly CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Replacing the Camera and Microphone AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Removing the Speaker AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Replacing the Speaker AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Removing the Palm RestCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.NOTE: The screw locations may vary slightly from the image shown below.1.Turn the computer over and remove the two screws securing the top of the palm rest.1.Disconnect the touch pad connector and the device status lights LED connector from thesystem board.1.Moving from left to right, carefully lift the palm rest along the rear edge, near the hingebrackets, then gently lift the palm rest to remove it from the computer.Replacing the Palm RestCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.1.Align the palm rest with the base of the computer and gently snap it into place.1.Connect the touch pad connector and the device status lights LED connector to the systemboard.1.Replace the two screws on the top of the palm rest.1.Turn the computer over and replace the nine screws on the bottom of the computer tosecure the palm rest.15. ExpressCard CageDell™ Inspiron™ 1525/1526 Service ManualRemoving the ExpressCard CageCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Removing the Processor Thermal-Cooling Assembly CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Replacing the Processor Thermal-Cooling Assembly CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.1.Align the five captive screws on the processor thermal-cooling assembly with the screwholes on the system board.1.In sequential order, tighten the five captive screws to secure the processor thermal-coolingassembly to the system board.1.Replace the module cover and tighten the eight captive screws.17. Processor ModuleDell™ Inspiron™ 1525/1526 Service ManualRemoving the Processor ModuleCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.NOTICE: To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw.1.To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket camscrew counterclockwise until it comes to the cam stop.1.Lift the processor module from the ZIF socket.Replacing the Processor ModuleCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.NOTICE: Do not touch the processor die. Press and hold the processor down on the substrate on which the die is mounted while turning the cam screw to prevent intermittent contactbetween the cam screw and processor.NOTICE: Ensure that the cam lock is in the fully open position before seating the processor module. Seating the processor module properly in the ZIF socket does not require force. A processor module that is not properly seated can result in an intermittent connection orpermanent damage to the microprocessor and ZIF socket.NOTE: If a new processor is installed, you will receive a new thermal-cooling assembly, which will include an affixed thermal pad, or you will receive a new thermal pad along with a tech sheet to illustrate proper installation.1.Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, theninsert the processor module.NOTE: The pin-1 corner of the processor module has a triangle that aligns with thetriangle on the pin-1 corner of the ZIF socket.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the computer.1.Disconnect the antenna cables from the Mini-card.NOTE: The Mini-card may have two or three connectors, depending on the type of card you ordered.Replacing Mini-CardNOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and realign the card.NOTICE: To avoid damage to the Mini-card, never place cables under the card.1.Insert the card connector into the system board connector at a 45-degree angle.1.Press the other end of the card down into the slot on the system board until the card clicksinto place.1.Replace the securing screw.1.Connect the cables to the Mini-Card, ensuring that you route the cables correctly.NOTE: For more specific information about which cable to connect to which connector, see the documentation that came with your Mini Card.1.Secure unused antenna cables in the protective mylar sleeve.1.Replace the cover and tighten the eight captive screws.Replacing the FCMNOTICE: Install the FCM in the WWAN slot. Do not install an FCM in the WLAN card slot. Doing so may cause damage to your computer.The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes media that provides a utility for transferring the Service Tag to the replacement system board. Removing the System Board AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.1.Remove the four screws from the top of the system board.NOTE: Depending on your system configuration, the number of screws shown may be greater than the number of screws present in your system.1.Lift the right side of the system board, and then carefully lift the system board out of thecomputer.Replacing the System Board AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.NOTICE: Ensure that any loose cables do not get caught beneath the system board.S-Video BoardRemoving the S-Video BoardCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Replacing the S-Video BoardCAUTION: Before you begin the following procedure, follow the safety instructions inthe Product Information Guide.Charger BoardRemoving the Charger BoardCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Replacing the Charger BoardCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Removing the Coin-Cell BatteryCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.Replacing the Coin-Cell BatteryCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.Removing the Battery Latch AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.to ensure proper installation when the button is replaced.Replacing the Battery Latch AssemblyCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.NOTICE: Ensure the battery latch assembly is properly oriented. The indent for the screw should face up when installing the assembly.If a BIOS-update program CD is provided with a new system board, flash the BIOS from the CD. If you do not have a BIOS-update program CD, flash the BIOS from the hard drive.Flashing the BIOS From a CDNOTICE: Plug the AC adapter into a known good power source to prevent a loss of power.Failure to do so may cause system damage.1.Ensure that the AC adapter is plugged in and that the main battery is installed properly.NOTE: If you use a BIOS update program CD to flash the BIOS, press <F12> before inserting the CD so that you can set up the computer to boot from a CD for one time only. Otherwise, you must enter the system setup program to change the default boot order.1.Insert the BIOS-update program CD, and turn on the computer.NOTICE: Do not interrupt this process once it begins. Doing so may cause system damage.Follow the instructions that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the computer will automatically reboot.1.Press <F2> during POST to enter the system setup program.1.Press <Alt> and <f> to reset the computer defaults.1.Press <Esc>, select Save/Exit, and press <Enter> to save configuration changes.1.Remove the flash BIOS update program CD from the drive and restart the computer.Flashing the BIOS From the Hard Drive NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power.Failure to do so may cause system damage.USB Connector1394 Connector。